import boto3
import json
import uuid

def lambda_handler(event, context):

    s3 = boto3.client('s3')
    
    try:
        
        job_id = uuid.uuid1()

        bucket_name = event['bucket']
        file_name = event['file']
        
        config_raw = s3.get_object(Bucket=bucket_name, Key=file_name)
        config_str = config_raw['Body'].read().decode('utf-8')
        config_json = json.loads(config_str)
        
        aws_bucket = config_json['aws_config']['bucket']
        aws_file = config_json['aws_config']['file']
        
        aws_raw = s3.get_object(Bucket=aws_bucket, Key=aws_file)
        aws_str = aws_raw['Body'].read().decode('utf-8')
        aws_json = json.loads(aws_str)
    
        return {
           "job_id" : str(job_id),
           "status" : "SUCCESS",
            "command": [
                 "--url=" + config_json['content_source'],
                 "--s3-bucket=" + config_json['s3_destination']
            ],
           "launch_type" : aws_json['LaunchType'],
           "subnets" : aws_json['Subnets'],
           "cluster" : aws_json['Cluster'],
           "task_definition" : aws_json['TaskDefinition']
        }
        
    except Exception as e:
        return {
            "status" : "FAILURE",
            "exception" : str(e)
        }